Home / 928,147,333,444.06-1,280,843,381,746-516,606,980,279.66

Finding the Fourth Proportional to 928,147,333,444.06, 1,280,843,381,746 and 516,606,980,279.66

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Solution

The fourth proportional to 928,147,333,444.06, 1,280,843,381,746 and 516,606,980,279.66 is: 712,917,667,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,147,333,444.06 : 1,280,843,381,746 = 516,606,980,279.66 : x
  2. Step 2: Convert to fraction form
    928,147,333,444.06/1,280,843,381,746 = 516,606,980,279.66/x
  3. Step 3: Cross multiply
    928,147,333,444.06x = 1,280,843,381,746 × 516,606,980,279.66
  4. Step 4: Simplify right side
    928,147,333,444.06x = 661,692,631,654,988,775,424,000
  5. Step 5: Solve for x
    x = 661,692,631,654,988,775,424,000/928,147,333,444.06
  6. Step 6: Final answer
    x = 712,917,667,068.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.